diff --git a/var/Typecho/Widget/Helper/Form/Element.php b/var/Typecho/Widget/Helper/Form/Element.php
index f95d1b82..7ff5523a 100644
--- a/var/Typecho/Widget/Helper/Form/Element.php
+++ b/var/Typecho/Widget/Helper/Form/Element.php
@@ -217,7 +217,7 @@ abstract class Element extends Layout
     public function value($value): Element
     {
         $this->value = $value;
-        $this->inputValue($value ?? '');
+        $this->inputValue($value);
         return $this;
     }
 
diff --git a/var/Typecho/Widget/Helper/Form/Element/Checkbox.php b/var/Typecho/Widget/Helper/Form/Element/Checkbox.php
index 3f89586e..a3ba93f9 100644
--- a/var/Typecho/Widget/Helper/Form/Element/Checkbox.php
+++ b/var/Typecho/Widget/Helper/Form/Element/Checkbox.php
@@ -61,7 +61,7 @@ class Checkbox extends Element
      */
     protected function inputValue($value)
     {
-        $values = is_null($value) ? [] : (is_array($value) ? $value : [$value]);
+        $values = isset($value) ? (is_array($value) ? $value : [$value]) : [];
 
         foreach ($this->options as $option) {
             $option->removeAttribute('checked');
diff --git a/var/Typecho/Widget/Helper/Form/Element/Hidden.php b/var/Typecho/Widget/Helper/Form/Element/Hidden.php
index f551f4cd..cd05c7ae 100644
--- a/var/Typecho/Widget/Helper/Form/Element/Hidden.php
+++ b/var/Typecho/Widget/Helper/Form/Element/Hidden.php
@@ -3,7 +3,6 @@
 namespace Typecho\Widget\Helper\Form\Element;
 
 use Typecho\Widget\Helper\Form\Element;
-use Typecho\Widget\Helper\Layout;
 
 if (!defined('__TYPECHO_ROOT_DIR__')) {
     exit;
@@ -19,6 +18,8 @@ if (!defined('__TYPECHO_ROOT_DIR__')) {
  */
 class Hidden extends Element
 {
+    use TextInputTrait;
+
     /**
      * 自定义初始函数
      *
@@ -31,28 +32,19 @@ class Hidden extends Element
     }
 
     /**
-     * 初始化当前输入项
-     *
-     * @access public
-     * @param string|null $name 表单元素名称
-     * @param array|null $options 选择项
-     * @return Layout|null
+     * @param string $value
+     * @return string
      */
-    public function input(?string $name = null, ?array $options = null): ?Layout
+    protected function filterValue(string $value): string
     {
-        $input = new Layout('input', ['name' => $name, 'type' => 'hidden']);
-        $this->container($input);
-        $this->inputs[] = $input;
-        return $input;
+        return htmlspecialchars($value);
     }
 
     /**
-     * 设置表单项默认值
-     *
-     * @param mixed $value 表单项默认值
+     * @return string
      */
-    protected function inputValue($value)
+    protected function getType(): string
     {
-        $this->input->setAttribute('value', htmlspecialchars($value));
+        return 'hidden';
     }
 }
diff --git a/var/Typecho/Widget/Helper/Form/Element/Password.php b/var/Typecho/Widget/Helper/Form/Element/Password.php
index 4ced2755..c07ca06c 100644
--- a/var/Typecho/Widget/Helper/Form/Element/Password.php
+++ b/var/Typecho/Widget/Helper/Form/Element/Password.php
@@ -3,7 +3,6 @@
 namespace Typecho\Widget\Helper\Form\Element;
 
 use Typecho\Widget\Helper\Form\Element;
-use Typecho\Widget\Helper\Layout;
 
 if (!defined('__TYPECHO_ROOT_DIR__')) {
     exit;
@@ -19,30 +18,22 @@ if (!defined('__TYPECHO_ROOT_DIR__')) {
  */
 class Password extends Element
 {
+    use TextInputTrait;
+
     /**
-     * 初始化当前输入项
-     *
-     * @param string|null $name 表单元素名称
-     * @param array|null $options 选择项
-     * @return Layout|null
+     * @param string $value
+     * @return string
      */
-    public function input(?string $name = null, ?array $options = null): ?Layout
+    protected function filterValue(string $value): string
     {
-        $input = new Layout('input', ['id' => $name . '-0-' . self::$uniqueId,
-            'name' => $name, 'type' => 'password', 'class' => 'password']);
-        $this->label->setAttribute('for', $name . '-0-' . self::$uniqueId);
-        $this->container($input);
-        $this->inputs[] = $input;
-        return $input;
+        return htmlspecialchars($value);
     }
 
     /**
-     * 设置表单项默认值
-     *
-     * @param mixed $value 表单项默认值
+     * @return string
      */
-    protected function inputValue($value)
+    protected function getType(): string
     {
-        $this->input->setAttribute('value', htmlspecialchars($value));
+        return 'password';
     }
 }
diff --git a/var/Typecho/Widget/Helper/Form/Element/Radio.php b/var/Typecho/Widget/Helper/Form/Element/Radio.php
index bcc8618c..f9cdf191 100644
--- a/var/Typecho/Widget/Helper/Form/Element/Radio.php
+++ b/var/Typecho/Widget/Helper/Form/Element/Radio.php
@@ -65,7 +65,7 @@ class Radio extends Element
             $option->removeAttribute('checked');
         }
 
-        if (isset($this->options[$value])) {
+        if (isset($value) && isset($this->options[$value])) {
             $this->value = $value;
             $this->options[$value]->setAttribute('checked', 'true');
             $this->input = $this->options[$value];
diff --git a/var/Typecho/Widget/Helper/Form/Element/Select.php b/var/Typecho/Widget/Helper/Form/Element/Select.php
index 2a57b860..c759e3e2 100644
--- a/var/Typecho/Widget/Helper/Form/Element/Select.php
+++ b/var/Typecho/Widget/Helper/Form/Element/Select.php
@@ -60,7 +60,7 @@ class Select extends Element
             $option->removeAttribute('selected');
         }
 
-        if (isset($this->options[$value])) {
+        if (isset($value) && isset($this->options[$value])) {
             $this->options[$value]->setAttribute('selected', 'true');
         }
     }
diff --git a/var/Typecho/Widget/Helper/Form/Element/Submit.php b/var/Typecho/Widget/Helper/Form/Element/Submit.php
index b2f3acbb..f5538d8f 100644
--- a/var/Typecho/Widget/Helper/Form/Element/Submit.php
+++ b/var/Typecho/Widget/Helper/Form/Element/Submit.php
@@ -43,6 +43,6 @@ class Submit extends Element
      */
     protected function inputValue($value)
     {
-        $this->input->html($value);
+        $this->input->html($value ?? 'Submit');
     }
 }
diff --git a/var/Typecho/Widget/Helper/Form/Element/Text.php b/var/Typecho/Widget/Helper/Form/Element/Text.php
index 8c97d302..3d33e59b 100644
--- a/var/Typecho/Widget/Helper/Form/Element/Text.php
+++ b/var/Typecho/Widget/Helper/Form/Element/Text.php
@@ -3,7 +3,6 @@
 namespace Typecho\Widget\Helper\Form\Element;
 
 use Typecho\Widget\Helper\Form\Element;
-use Typecho\Widget\Helper\Layout;
 
 if (!defined('__TYPECHO_ROOT_DIR__')) {
     exit;
@@ -19,35 +18,22 @@ if (!defined('__TYPECHO_ROOT_DIR__')) {
  */
 class Text extends Element
 {
-    /**
-     * 初始化当前输入项
-     *
-     * @param string|null $name 表单元素名称
-     * @param array|null $options 选择项
-     * @return Layout|null
-     */
-    public function input(?string $name = null, ?array $options = null): ?Layout
-    {
-        $input = new Layout('input', ['id' => $name . '-0-' . self::$uniqueId,
-            'name' => $name, 'type' => 'text', 'class' => 'text']);
-        $this->container($input);
-        $this->label->setAttribute('for', $name . '-0-' . self::$uniqueId);
-        $this->inputs[] = $input;
+    use TextInputTrait;
 
-        return $input;
+    /**
+     * @param string $value
+     * @return string
+     */
+    protected function filterValue(string $value): string
+    {
+        return htmlspecialchars($value);
     }
 
     /**
-     * 设置表单项默认值
-     *
-     * @param mixed $value 表单项默认值
+     * @return string
      */
-    protected function inputValue($value)
+    protected function getType(): string
     {
-        if (isset($value)) {
-            $this->input->setAttribute('value', htmlspecialchars($value));
-        } else {
-            $this->input->removeAttribute('value');
-        }
+        return 'text';
     }
 }
diff --git a/var/Typecho/Widget/Helper/Form/Element/TextInputTrait.php b/var/Typecho/Widget/Helper/Form/Element/TextInputTrait.php
new file mode 100644
index 00000000..67b07705
--- /dev/null
+++ b/var/Typecho/Widget/Helper/Form/Element/TextInputTrait.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace Typecho\Widget\Helper\Form\Element;
+
+use Typecho\Widget\Helper\Layout;
+
+trait TextInputTrait
+{
+    /**
+     * 初始化当前输入项
+     *
+     * @param string|null $name 表单元素名称
+     * @param array|null $options 选择项
+     * @return Layout|null
+     */
+    public function input(?string $name = null, ?array $options = null): ?Layout
+    {
+        $input = new Layout('input', [
+            'id' => $name . '-0-' . self::$uniqueId,
+            'name' => $name,
+            'type' => $this->getType(),
+            'class' => 'text'
+        ]);
+
+        $this->container($input);
+        $this->inputs[] = $input;
+
+        if (isset($this->label)) {
+            $this->label->setAttribute('for', $name . '-0-' . self::$uniqueId);
+        }
+
+        return $input;
+    }
+
+    /**
+     * 设置表单项默认值
+     *
+     * @param mixed $value 表单项默认值
+     */
+    protected function inputValue($value)
+    {
+        if (isset($value)) {
+            $this->input->setAttribute('value', $this->filterValue($value));
+        } else {
+            $this->input->removeAttribute('value');
+        }
+    }
+
+    /**
+     * @param string $value
+     * @return string
+     */
+    abstract protected function filterValue(string $value): string;
+
+    /**
+     * @return string
+     */
+    abstract protected function getType(): string;
+}
diff --git a/var/Typecho/Widget/Helper/Form/Element/Textarea.php b/var/Typecho/Widget/Helper/Form/Element/Textarea.php
index 581ab93f..b62e6d26 100644
--- a/var/Typecho/Widget/Helper/Form/Element/Textarea.php
+++ b/var/Typecho/Widget/Helper/Form/Element/Textarea.php
@@ -43,6 +43,6 @@ class Textarea extends Element
      */
     protected function inputValue($value)
     {
-        $this->input->html(htmlspecialchars($value));
+        $this->input->html(htmlspecialchars($value ?? ''));
     }
 }
diff --git a/var/Typecho/Widget/Helper/Form/Element/Url.php b/var/Typecho/Widget/Helper/Form/Element/Url.php
index c8973b33..395d8b82 100644
--- a/var/Typecho/Widget/Helper/Form/Element/Url.php
+++ b/var/Typecho/Widget/Helper/Form/Element/Url.php
@@ -4,7 +4,6 @@ namespace Typecho\Widget\Helper\Form\Element;
 
 use Typecho\Common;
 use Typecho\Widget\Helper\Form\Element;
-use Typecho\Widget\Helper\Layout;
 
 if (!defined('__TYPECHO_ROOT_DIR__')) {
     exit;
@@ -20,35 +19,22 @@ if (!defined('__TYPECHO_ROOT_DIR__')) {
  */
 class Url extends Element
 {
-    /**
-     * 初始化当前输入项
-     *
-     * @param string|null $name 表单元素名称
-     * @param array|null $options 选择项
-     * @return Layout|null
-     */
-    public function input(?string $name = null, ?array $options = null): ?Layout
-    {
-        $input = new Layout('input', ['id' => $name . '-0-' . self::$uniqueId,
-            'name' => $name, 'type' => 'url', 'class' => 'text']);
-        $this->container($input);
-        $this->label->setAttribute('for', $name . '-0-' . self::$uniqueId);
-        $this->inputs[] = $input;
+    use TextInputTrait;
 
-        return $input;
+    /**
+     * @param string $value
+     * @return string
+     */
+    protected function filterValue(string $value): string
+    {
+        return htmlspecialchars(Common::idnToUtf8($value));
     }
 
     /**
-     * 设置表单项默认值
-     *
-     * @param mixed $value 表单项默认值
+     * @return string
      */
-    protected function inputValue($value)
+    protected function getType(): string
     {
-        if (isset($value)) {
-            $this->input->setAttribute('value', htmlspecialchars(Common::idnToUtf8($value)));
-        } else {
-            $this->input->removeAttribute('value');
-        }
+        return 'url';
     }
 }